1. Place the cylinder head on a flat and clean surface. Make sure that the cylinder head is not
scratched when the valves are removed.
2. Install press tool H.C.B-A1402 in the unit injector hole. Screw the tool in the unit injector retainer
screw hole.
3. Place the tool’s moving part above the valve spring to be removed. Turn down the tool’s “wing
nut” until the valve disc has been pressed down and the valve collets can be removed.
NOTE: Place valves and springs in a marked rack to facilitate reinstallation at the same place in the
cylinder head.
4. Remove remaining valves the same way as above.
5 Remove the oil seals from the valve guides.
6. The size for the screw: M10 x P1.5, L: 25mm
Genuine no.: 9990210
Application: VOLVO FM12 TRUCK